公开(公告)号：US4300810A

公开(公告)日：1981-11-17

申请号：US137593

申请日：1980-04-07

申请人： James B. Brown ,  Randall W. France

发明人： James B. Brown ,  Randall W. France

IPC分类号： H01R12/88 ,  H01R13/62

CPC分类号： H01R12/88

摘要： A zero insertion force connector for making contact with the electrical terminals of four printed wiring boards. Two pairs of parallel plates (16, 17; 18, 19), each pair mounted for lateral movement and having a plurality of terminals (29) for making contact with the corresponding electrical terminals of two printed wiring boards when inserted therebetween, are each separated and closed by the rotation of a shaft (37) having two cam plates (39, 40) mounted near the opposite ends thereof. The two cam plates (39, 40) mounted next to the opposite ends of the two pairs of plates (16, 17; 18, 19), respectively, converts the rotational movement of the shaft (37) to the lateral movement of the two pairs of plates (16, 17; 18, 19) thereby separating and closing each pair of plates (16, 17; 18, 19).

摘要翻译： 用于与四个印刷电路板的电端子接触的零插入力连接器。 两对平行板（16,17; 18,19）每个安装用于横向运动，并且当插入其间时，具有用于与两个印刷线路板的相应电气端子接触的多个端子（29） 并且通过具有安装在其相对端附近的两个凸轮板（39,40）的轴（37）的旋转而闭合。 安装在两对板（16,17; 18,19）的相对端的两个凸轮板（39,40）分别将轴（37）的旋转运动转换成两个 （16,17; 18,19），从而分离和关闭每对板（16,17; 18,19）。

公开(公告)号：US4710954A

公开(公告)日：1987-12-01

申请号：US783586

申请日：1985-10-03

申请人： Francis S. Doyle ,  Randall W. France

发明人： Francis S. Doyle ,  Randall W. France

IPC分类号： H04M1/08

CPC分类号： H04M1/08

摘要： A line switch for a telephone set comprises a lever rockably mounted in thetand for the set and having as a rear part a plunger fin received in a slot passing through the stand to a handset cradle on its top. The lever has at its front a head carrying on its underside a pair of metal leaf springs of which front portions form spring contacts disposed over corresponding electroconductive pads on a printed wiring board mounted within the stand. The lever is biased by a torque spring to yieldably hold the upper part of the fin in the cradle. Removal and replacement of a handset from and to the cradle actuates the lever to produce engagement and disengagement, respectively, of the spring contacts with their corresponding pads. Such spring contacts and pads form, electrically speaking, a line switch adapted upon such engagement and disengagement, respectively, to produce a "short" and an "open" of terminations at the set of the tip and ring leads therefor.

摘要翻译： 用于电话机的线路开关包括可摇动地安装在用于该组件的支架中的杆，并且具有作为后部的柱塞翅片，该柱塞翅片容纳在通过支架的槽中，在顶部的手柄支架上。 杠杆在其前部具有一个承载在其下侧的头部一对金属板弹簧，其前部形成弹簧触点，弹簧触点设置在安装在支架内的印刷线路板上的相应的导电焊盘上。 杠杆由扭矩弹簧偏置，以可靠地将散热片的上部保持在支架中。 将手机从支架上取下并将其更换为启动杠杆，以分别与其相应的垫片弹簧接触件分别接合和脱开。 这种弹簧触点和焊盘在电气上形成适合于这种接合和分离的线路开关，以在尖端和环形引线的集合处产生“短路”和“开路”的端接。